Ottawa Construction Association

Founded in 1889, the Ottawa Construction Association is one of the largest regional construction associations in Canada with more than 1,100 firms active in all sectors of the region's $5-billion construction market. The OCA serves its members in four major ways –Construction Project Information, Education, Networking and Advocacy.

OCA Summer Hours

Please note OCA is currently on Summer Hours. From June 1st to September 1st, the office is open from Monday - Thursday from 8:00 AM to 4:30 PM, and Friday from 8:00 AM - 3:00 PM

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Need to schedule Commissioner of Oath services?

This is a free service for OCA Members. Contact one of the commissioners by email during business hours (8:30am - 4:00pm)
Currently on duty kathy@oca-website-wordpress.ind.ninja Please call ahead for in person service.
Non-members would need to purchase Virtual Witnessing at $17.70 + HST for each document witnessed.

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Looking for a location to host your next meeting?

Meeting room rentals are for sessions which do not involve an admission or training fee. If you would like to rent a room to conduct training or any type of event for which a fee will be charged, please contact the Ottawa Construction Association directly at: oca@oca-website-wordpress.ind.ninja and provide us with the details of the event.

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Publish your Certificates with OCA!

Construction purchasers, owners’ representatives and prime contractors can publish Ontario legal notices on Link2Build.ca including; Certificates of Substantial Performance, Notices of Non-Payment of Holdback, Notices of Termination, Certificates of Completion of Subcontract, Notices of Intention to Register a Condominium Link2Build charges a flat fee of just $199 per notice.

Publish your Certificates
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OCA Membership

Membership in OCA is your investment to growing your business! Explore our website to learn more about accessing thousands of bid opportunities, marketing your firm’s services or products, growing your business network, professional development opportunities in OCA’s Education program or the numerous cost saving OCA Affinity programs.

Become a Member

Highlighted Project

Redevelopment of 36-46 King Street West

Closing Date: Monday, August 09 2021, 4:00 PM EST

Brockville, Ontario

Latest News/Press releasesSee all news/press Releases

June 28, 2021

Dealing with Price Volatility & Supply Chain Issues

Watch the recording of Link2Build Webinar of June 10th, 2021

March 12, 2021

OCA Elects Ray Shannon 2021 Chair

The Ottawa Construction Association is pleased to announce that the members of its Board of Directors have elected Ray Shannon of BrokerLink as its 2021 Chair.

See all upcoming courses

  • Upcoming courses

    06 June 2023
    From $175.00 excl. Tax

    Managing Shop Drawings, Samples and Submittals

    The process for submitting shop drawings, submittals and samples is key to getting the right materials and equipment to the right place at the right time

    Online

    06 June 2023
    From $315.00 excl. Tax

    Online Bluebeam Training: Revu Estimating Level 2

    This course that takes you and your staff on a deeper dive of how to Bluebeam Revu for Estimating at a more advanced level.

    Online